/* 全局样式 */
#root {
  width: 600px;
  margin: 10px auto;
}

.tb {
  border-collapse: collapse;
  width: 100%;
}

.tb th {
  background-color: #0094ff;
  color: white;
}

.tb td,
.tb th {
  padding: 5px;
  border: 1px solid black;
  text-align: center;
}

.tb img {
  width: 100px;
  height: 100px;
}

.add {
  padding: 5px;
  border: 1px solid black;
  margin-bottom: 10px;
}
